Use and Care Manual
76
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GMAW
W
elding Guidelines for Aluminum GMAW
Groove Welding — Flat, Horizontal, Vertical and Overhead
W
elding Argon Travel Approx.
Joint Electrode Current
(3)
Arc Gas Flow Speed Electrode
Plate Weld Edge Spacing Weld Diameter (Amps) Voltage
(3)
CFH ipm Consump.
Thickness Position
(1)
Prep
(2)
In. (mm) Passes In. (mm) (DC+) (Volts) (L/min.) (M/min.) (lbs/100 ft)
1
/16”
F A None 1 0.030 (0.8) 70-110 15-20
2
5 25 - 45 1.5
(2 mm) (12) (0.64 - 1.14)
F G 3/32 (2.4) 1 0.030 (0.8) 70-110 15-20
25 25 - 45 2
(12) (0.64 - 1.14)
3/32”
F A None 1
0.030-3/64
90-150 18-22
30 25 - 45 1.8
(2 mm) (0.8 - 1.2) (14) (0.64 - 1.14)
F, V, H, O G 1/8 (3.2) 1 0.030 (0.8) 110-130 18-23
30 25 - 30 2
(
14) (0.64 - 0.76)
1/8”
F, V, H A
0 - 3/32
1
0.030 - 3/64
120-150 20-24
30 24 - 30 2
(3 mm) (0 - 2.4) (0.8 - 1.2) (14) (0.60 - 0.76)
F, V, H, O G 3/16 (4.8) 1
0.030 - 3/64
110-135 19-23
30 18 - 28 3
(0.8 - 1.2) (14) (0.45 - 0.71)
3/16”
F, V, H B
0 - 1/16
1F, 1R
0.030 - 3/64
130-175 22-26
35
24 - 30 4
(5 mm) (0 - 1.6) (0.8 - 1.2) (16) (0.60 - 0.76)
F, V, H F
0-1/16
1
3/64
140-180 23-27
35 24 - 30 5
(0 - 1.6) (1.2) (16) (0.60 - 0.76)
O F
0-1/16
2F
3/64
140-175 23-27
60 24 - 30 5
(0 - 1.6) (1.2) (28) (0.60 - 0.76)
F, V H
3/32 - 3/16
2
3/64 - 1/16
140-185 23-27
35 24 - 30 8
(2.4 - 4.8) (1.2 - 1.6) (16) (0.60 - 0.76)
H, O H
3/16
3
3/64
130-175 23-27
60 25 - 35 10
(4.8) (1.2) (28) (0.63 - 0.89)
1/4”
FB
0 - 3/32
1F, 1R
3/64-1/16
175-200 24-28
40 24 - 30 6
(6 mm) (0 - 2.4) (1.2 - 1.6) (19) (0.60 - 0.76)
F F
0 - 3/32
2
3/64-1/16
185-225 24-29
40 24 - 30 8
(0 - 2.4) (1.2 - 1.6) (19) (0.60 - 0.76)
V, H F
0 - 3/32
3F, 1R
3/64
165-190 25-29
45 25 - 35 10
(0 - 2.4) (1.2) (21) (0.63 - 0.89)
OF
0 - 3/32
3F, 1R
3/64, 1/16
180-200 25-29
60 25 - 35 10
(0 - 2.4) (1.2 - 1.6) (28) (0.63 - 0.89)
F, V H
1/8 - 1/4
2 - 3
3/64-1/16
175-225 25-29
40 24 - 30 12
(3.2 - 6.4) (1.2 - 1.6) (19) (0.60 - 0.76)
O, H H
1/4
4 - 6
3/64-1/16
170-200 25-29
60 25 - 40 12
(6.4) (1.2 - 1.6) (28) (0.63 - 1.02)
3/8”
F C - 90°
0 - 3/32
1F, 1R
1/16
225-290 26-29
50 20 - 30 16
(10 mm)
(0 - 2.4)
(1.6)
(24)
(0.51 - 0.76)
F
F
0 - 3/32
2F, 1R
1/16
210-275
26-29
50 24 - 35 18
(0 - 2.4) (1.6) (24) (0.60 -0.89)
V, H
F
0 - 3/32
3F, 1R
1/16
190-220
26-29
55 24 - 30 20
(0 - 2.4) (1.6) (26) (0.60 - 0.76)
O
F
0 - 3/32
5F, 1R
1/16
200-250
26-29
80 25 - 40 20
(0 - 2.4) (1.6) (38) (0.63 - 1.02)
F, V H
1/4 - 3/8
4
1/16
210-290 26-29
50 24 - 30 35
(6.4 - 9.5)
(1.6)
(24)
(0.60 - 0.76)
O, H H
3/8
8 - 10
1/16
190-260 26-29
80
25-40 50
(9.5) (1.6) (38) (0.63 - 1.02)
3/4”
F C-60°
0 - 3/32
3F, 1R
3/32
340-400 26-31
60 14 - 20 50
(19 mm)
(0 - 2.4)
(2.4) (28) (0.36 - 0.51)
FF
0 - 1/8
4F, 1R
3/32
325-375 26-31
60 16 - 20 70
(0 - 3.2) (2.4) (28) (0.41 - 0.76)
V, H, O F
0 - 1/16
8F, 1R
1/16
240-300 26-30
80
24 - 30
75
(0 - 1.6)
(1.6)
(38) (0.60 - 0.76)
FE
0 - 1/16
3F, 3R
1/16
270-330 26-30
60 16 - 24 70
(0 - 1.6) (1.6) (28) (0.41 - 0.61)
V, H, O
E
0 - 1/16
6F, 6R
1/16
230-280
26-30
80 16 - 24 75
(0 - 1.6) (1.6) (38) (0.41 - 0.61)
(1)
F = Flat; V = Vertical; H = Horizontal; O = Overhead.
(2)
See joint designs on page 75.
(3)
For 5xxx series electrodes, use a welding current in the high side of the range
and an arc voltage in the lower portion of the range. 1XXX, 2XXX and 4XXX series electrodes would use the lower currents and higher arc voltages.